/*
 * Copyright 2008 Georgi Staykov
 * 
 * This file is part of pscoder.
 *
 * pscoder is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * pscoder is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with pscoder.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.gstaykov.pscoder.editor;

import org.eclipse.core.runtime.Preferences;
import org.eclipse.jface.dialogs.DialogSettings;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.jface.text.contentassist.IContentAssistant;
import org.eclipse.jface.text.presentation.IPresentationReconciler;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewerConfiguration;

import com.gstaykov.pscoder.Activator;
import com.gstaykov.pscoder.editor.completion.PowershellCompletionProcessor;
import com.gstaykov.pscoder.editor.syntax.PowershellCodeScanner;
import com.gstaykov.pscoder.editor.syntax.PowershellColors;
import com.gstaykov.pscoder.preferences.PreferenceConstants;

public class PowershellSourceViewerConfiguration extends SourceViewerConfiguration {
    
    private Preferences preferences = Activator.getDefault().getPluginPreferences();

	public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
		PresentationReconciler reconciler = new PresentationReconciler();
		reconciler.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
		
		DefaultDamagerRepairer dr = new DefaultDamagerRepairer(new PowershellCodeScanner(new PowershellColors())); // TODO: make only one copy
		reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
		reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
		
		return reconciler;
	}
	
	public int getTabWidth(ISourceViewer sourceViewer) {
	    return preferences.getInt(PreferenceConstants.TAB_WIDTH);
	}
	
	@Override
	public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
		ContentAssistant assistant = new ContentAssistant();
		IContentAssistProcessor proc = new PowershellCompletionProcessor(); // FIXME: Don't we want only one copy here?
		DialogSettings dsettings = new DialogSettings("pscoderContentAssist");
		assistant.setContentAssistProcessor(proc, IDocument.DEFAULT_CONTENT_TYPE);
		assistant.enableAutoActivation(true);
		assistant.setRestoreCompletionProposalSize(dsettings);
		
		return assistant;
	}
}
